# Minus vs Number Memory 25

The clearest difference is in-app purchases: Minus at none against Number Memory 25's 1. Number Memory 25's advantage is update cadence (every 3 weeks vs every 34 months) and price ($0.99 vs $1.99). On ads, device support and iOS requirement there is nothing between them.

Minus costs $1.99 and Number Memory 25 $0.99 up front. Number Memory 25 sells 1 one-off in-app purchase. Minus asks for nothing beyond the download.

Minus ships an update every 34 months, Number Memory 25 every 3 weeks. The most recent releases landed on September 15, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Minus | Number Memory 25 |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/number-memory-25/id6448686063/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 20 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Anders Peter Amsnaes](https://appshunter.io/developer/452949522) | [T&T United Inc.](https://appshunter.io/developer/468282934) |

## What reviewers say

### Minus

[App page](https://appshunter.io/ios/app/minus-level-2/id928963039)

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Memory 25

[App page](https://appshunter.io/ios/app/number-memory-25/id6448686063)

This brain training app helps improve memory by challenging users to memorize and recall sequences of numbers. Regular, short practice sessions can enhance visual memory and cognitive skills.

**Highlights:** Memorize and recall number sequences, Visual memory training, Daily 30-second practice, Progressive difficulty, Simple, challenging gameplay

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | Free | one-time |


## Frequently asked questions

### Is Minus free?

Minus costs $1.99, with no in-app purchases.

### Is Number Memory 25 free?

Number Memory 25 costs $0.99, and also offers in-app purchases.

### Do Minus or Number Memory 25 have ads?

Neither Minus nor Number Memory 25 shows ads.

### Which is updated more often, Minus or Number Memory 25?

Minus ships an update every 34 months, and Number Memory 25 every 3 weeks. Most recently, Minus was updated on September 15, 2026 and Number Memory 25 on September 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*